Twilio vs Telnyx vs Plivo voice pricing for AI agents (2026)
For a US inbound AI phone agent on a local number, list rates are Telnyx from $0.0032/min (SIP), Plivo $0.0055/min and Twilio $0.0085/min. Numbers cost $1.00, $0.50 and $1.15 per month respectively. If you stream audio to your own agent, Twilio Media Streams adds $0.0044/min and Telnyx's Voice API adds $0.002/min.
US voice minutes
| Vendor | Product | $/call-min | $/1,000 min | Vendor's price | Status | Checked |
|---|---|---|---|---|---|---|
| Telnyx | Elastic SIP, local inbound | $0.0032 | $3.20 | from $0.0032/min; numbers $1.00/mo 'Starting at' rate. Voice API adds $0.002/min if you use it instead of raw SIP. | verified | 2026-10-17 · source |
| Plivo | Browser SDK / SIP calls | $0.0033 | $3.30 | $0.0033/min each way | verified | 2026-10-17 · source |
| Twilio | SIP interface / BYOC | $0.0040 | $4.00 | $0.0040/min each way | verified | 2026-10-17 · source |
| Telnyx | Elastic SIP, local outbound | $0.0050 | $5.00 | from $0.005/min 'Starting at' rate; varies by destination. | verified | 2026-10-17 · source |
| Plivo | Local, inbound | $0.0055 | $5.50 | $0.0055/min; numbers $0.50/mo | verified | 2026-10-17 · source |
| Twilio | Local number, inbound | $0.0085 | $8.50 | $0.0085/min + $1.15/mo number | verified | 2026-10-17 · source |
| Plivo | Local, outbound (US) | $0.0115 | $11.50 | $0.0115/min | verified | 2026-10-17 · source |
| Twilio | US/Canada, outbound | $0.0140 | $14.00 | $0.0140/min | verified | 2026-10-17 · source |
| Telnyx | Toll-free, inbound | $0.0150 | $15.00 | from $0.015/min | verified | 2026-10-17 · source |
| Plivo | Toll-free, inbound | $0.0180 | $18.00 | $0.0180/min | verified | 2026-10-17 · source |
| Twilio | Toll-free, inbound | $0.0220 | $22.00 | $0.0220/min + $2.15/mo number | verified | 2026-10-17 · source |
Sources: Twilio, Telnyx, Plivo, checked 2026-10-17. TTS per-minute assumes 1,000 characters per minute of speech and the agent talking 50% of the call.